Epoxy vs. Cement-Based Grout: Which is Better for Your Shower

When it comes to choosing the best waterproof grout for showers, two popular options often come to mind: epoxy grout and cement-based grout. Both have their own set of advantages and disadvantages, so it’s essential to understand the key differences to make an informed decision on which one is right for your shower.

Epoxy Grout for Showers

Epoxy grout is a fantastic choice for showers when you need top-notch waterproofing. It’s made from a mix of epoxy resins and a filler powder, creating a dense and highly water-resistant compound. This grout is highly effective at preventing water from seeping into your shower walls and floor, making it an excellent option for areas with high moisture exposure. 

Epoxy grout is super tough, which makes it really special. It doesn’t easily wear out or break. This means it can last a long time without getting damaged. It’s resistant to stains, cracks and discoloration, which is essential in a shower environment where soap, shampoo and other products can easily stain grout. Epoxy grout is also extremely easy to clean, as it doesn’t absorb liquids, so a simple wipe-down is usually all that’s needed to maintain its pristine appearance.

Cement-Based Grout for Showers

Cement-based grout, on the other hand, is a more traditional choice. It’s made from a mixture of cement, sand, and water, and it’s been used for many years in shower installations. While it’s not as waterproof as epoxy grout, it can still do a good job if properly sealed and maintained. 

Cement-based grout is known for being more flexible than epoxy grout, which can be an advantage in areas where there might be some movement, like with a wood subfloor. However, it’s also more prone to cracking and staining if not adequately sealed. Regular maintenance is crucial to keep cement-based grout in good condition.

Sealing a Shower

Both epoxy and cement-based grout require sealing for maximum waterproofing. Epoxy grout is inherently more waterproof, but sealing can still add an extra layer of protection. On the other hand, cement-based grout relies heavily on sealing to prevent water infiltration. 

The sealing process involves applying a grout sealer, which can be a DIY project or done by a professional.  It forms a protective barrier over the grout lines, making it more resistant to moisture and stains. Be sure to follow the manufacturer’s recommendations for sealing to get the best results.


Q1: Is epoxy grout worth the higher cost for my shower?

A: Epoxy grout tends to be pricier than cement-based grout, but it offers superior waterproofing and durability. If you want a long-lasting, low-maintenance solution, it’s worth the investment.

Q2: Can I use cement-based grout in my shower without sealing it?

A: While it’s possible, it’s not recommended.Sealing is essential to make cement-based grout sufficiently waterproof for shower use. Without sealing, it’s more prone to stains and water damage.

Q3: Which type of grout is easier to clean in a shower?

A: Epoxy grout is generally easier to clean in a shower because it’s highly resistant to stains and doesn’t absorb moisture. A simple wipe-down with a mild cleaner is usually all that’s needed.

Q4: What if I have a tiled shower with both epoxy and cement-based grout?

A: If your shower has both types of grout, be sure to use the appropriate cleaning and sealing products for each. This will help maintain their individual characteristics effectively.

In general, the choice between epoxy and cement-based grout for your shower comes down to your priorities. Epoxy grout offers exceptional waterproofing and durability, making it a top choice for a low-maintenance shower. On the other hand, cement-based grout, when properly sealed and maintained, can also be a reliable option, particularly if cost is a significant factor. Regardless of your choice, make sure to follow the manufacturer’s instructions for installation, sealing, and cleaning to keep your shower in top shape for years to come.


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